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Description

1.4550 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 1.4550
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 1.4550
1.4510
1.4511
1.4512
1.4521
1.4529
1.4532
1.4535
1.4539
1.4541
1.4542

Chemical composition(mass fraction)(wt.%) of the 1.4550

 

 

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 ≤0.08  1.00  2.00  0.045  0.015  17.0-19.0  9.00-12.0  --------  Nb≥10*C≤1.00

Mechanical Properties of steel grade 1.4550

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
259 (≥) 455 (≥) 22 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 1.4550

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
22 - -     0.32 -  
131 856 - 22.3 241   -  
495 - 43 41.2   131 242

Heat Treatment of steel grade 1.4550

Heat treated : 1139°C - 1634°C

Technological Curves of steel grade 1.4550

Cross Reference Table (Equivalent Grade) of 1.4550

Grade Standard Country Application
W-Nr 1.4550 DIN Germany Stainless steel
1.4550
1.4550(AFNOR) AFNOR France Austenite

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